The best email client for Mac in 2026
There isn't one best email app for every Mac user. A Gmail-only freelancer, a team on Microsoft 365 and someone juggling iCloud and a work IMAP account want different things. Here is how the main apps compare, and which one fits each case. We make bytemail, so we put it first; every entry says honestly who it is for.
- Best for several accounts in one native, private inboxbytemail
- Best free optionApple Mail
- Best for Gmail onlyMimestream
- Best for teams and every platformSpark
- Best for Microsoft 365 and ExchangeOutlook for Mac
- Best open-source optionThunderbird
- Best for PGP encryptionCanary Mail
- Best for keyboard power users on a company budgetSuperhuman
- Best for customisationAirmail
What we looked at
9 Mac email apps, and who each is for
-
1
bytemail
Best for several accounts in one native, private inboxA native Mac email app written in Swift. Every account sits in one inbox, conversations read like chats, and new mail appears in the notch. Your mail goes straight from your provider to your Mac and never touches our servers.
- Price
- $3.99 a month or $39.90 a year, 7-day free trial
- Accounts
- Gmail, iCloud, Outlook, Microsoft 365, Yahoo, Fastmail and any IMAP server
- Where your mail goes
- Straight from your provider to your Mac. No bytemail server in between
-
2
Apple Mail
Best free optionFree, already on your Mac and quick to open mail. It covers every common provider, but it adds new features slowly and handles Gmail labels awkwardly.
- Price
- Free, built into macOS
- Accounts
- iCloud, Gmail, Outlook, Exchange, Yahoo and IMAP
- Where your mail goes
- Direct from your provider; Mail Privacy Protection loads images through Apple
-
3
Mimestream
Best for Gmail onlyA native Mac client built on the Gmail API, so labels, categories, filters and aliases behave exactly as they do in Gmail. It doesn't do other providers.
- Price
- $49.99 a year or $4.99 a month, 14-day trial
- Accounts
- Gmail and Google Workspace only
- Where your mail goes
- Direct through the Gmail API, no sync server
-
4
Spark
Best for teams and every platformA popular free client with a smart inbox that sorts people from newsletters, plus shared threads and comments for teams. It runs on every platform.
- Price
- Free; Plus $99 a year, Pro $199 a year
- Accounts
- Gmail, iCloud, Outlook, Exchange, Yahoo and IMAP
- Where your mail goes
- Spark's servers keep access to your account for push, send later and team features
-
5
Outlook for Mac
Best for Microsoft 365 and ExchangeMicrosoft's mail and calendar app. It is the natural choice for Exchange and Microsoft 365, with shared calendars, meeting rooms and Teams links built in.
- Price
- Free with Outlook.com; full features with Microsoft 365 (from $99.99 a year)
- Accounts
- Outlook.com, Microsoft 365, Exchange, Gmail, iCloud, Yahoo and IMAP
- Where your mail goes
- Gmail and some other accounts sync through Microsoft's cloud
-
6
Thunderbird
Best open-source optionThe free, open-source client from the Mozilla family, with built-in OpenPGP, calendars, add-ons and POP support. It looks and works the same on every system.
- Price
- Free and open source, funded by donations
- Accounts
- IMAP, POP, Gmail, Outlook, Exchange and iCloud
- Where your mail goes
- Direct from your provider
-
7
Canary Mail
Best for PGP encryptionA security-minded client with PGP encryption, read receipts and an AI copilot. The free tier covers unlimited accounts on two devices.
- Price
- Free; Growth $36 a year, Pro+ $100 a year
- Accounts
- Gmail, iCloud, Outlook, Exchange, Yahoo and IMAP
- Where your mail goes
- Synced on your device, according to Canary
-
8
Superhuman
Best for keyboard power users on a company budgetA keyboard-first inbox for Gmail and Outlook with polished split inboxes, snippets, read statuses and AI drafting. It is one of the most expensive mail apps you can buy.
- Price
- From $30 a month ($25 billed yearly); no free plan
- Accounts
- Gmail and Microsoft 365 / Outlook only
- Where your mail goes
- Through Superhuman's servers
-
9
Airmail
Best for customisationA long-running native Mac client with deep customisation: custom actions, many integrations and a choice of layouts. Most of it sits behind the Airmail Pro subscription.
- Price
- Free for one account; Airmail Pro from $5.99 a month
- Accounts
- iCloud, Gmail, Outlook, Exchange, Yahoo and IMAP
- Where your mail goes
- Direct from your provider; Pro adds iCloud sync between devices
Things you won't find in other Mac mail apps
Try bytemail on your own mail.
Free for 7 days, then $3.99 a month. Your current app keeps working alongside it.
Facts about other apps come from their own websites and pricing pages, checked in November 2026. Prices can change; spotted something out of date? Write to hello@bytemailapp.com. All product names are trademarks of their owners.